1 /*
2 * da9055 declarations for DA9055 PMICs.
3 *
4 * Copyright(c) 2012 Dialog Semiconductor Ltd.
5 *
6 * Author: David Dajun Chen <dchen@diasemi.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 */
23
24 #ifndef __DA9055_CORE_H
25 #define __DA9055_CORE_H
26
27 #include <linux/interrupt.h>
28 #include <linux/regmap.h>
29
30 /*
31 * PMIC IRQ
32 */
33 #define DA9055_IRQ_ALARM 0x01
34 #define DA9055_IRQ_TICK 0x02
35 #define DA9055_IRQ_NONKEY 0x00
36 #define DA9055_IRQ_REGULATOR 0x0B
37 #define DA9055_IRQ_HWMON 0x03
38
39 struct da9055_pdata;
40
41 struct da9055 {
42 struct regmap *regmap;
43 struct regmap_irq_chip_data *irq_data;
44 struct device *dev;
45 struct i2c_client *i2c_client;
46
47 int irq_base;
48 int chip_irq;
49 };
50
51 /* Device I/O */
da9055_reg_read(struct da9055 * da9055,unsigned char reg)52 static inline int da9055_reg_read(struct da9055 *da9055, unsigned char reg)
53 {
54 int val, ret;
55
56 ret = regmap_read(da9055->regmap, reg, &val);
57 if (ret < 0)
58 return ret;
59
60 return val;
61 }
62
da9055_reg_write(struct da9055 * da9055,unsigned char reg,unsigned char val)63 static inline int da9055_reg_write(struct da9055 *da9055, unsigned char reg,
64 unsigned char val)
65 {
66 return regmap_write(da9055->regmap, reg, val);
67 }
68
da9055_group_read(struct da9055 * da9055,unsigned char reg,unsigned reg_cnt,unsigned char * val)69 static inline int da9055_group_read(struct da9055 *da9055, unsigned char reg,
70 unsigned reg_cnt, unsigned char *val)
71 {
72 return regmap_bulk_read(da9055->regmap, reg, val, reg_cnt);
73 }
74
da9055_group_write(struct da9055 * da9055,unsigned char reg,unsigned reg_cnt,unsigned char * val)75 static inline int da9055_group_write(struct da9055 *da9055, unsigned char reg,
76 unsigned reg_cnt, unsigned char *val)
77 {
78 return regmap_raw_write(da9055->regmap, reg, val, reg_cnt);
79 }
80
da9055_reg_update(struct da9055 * da9055,unsigned char reg,unsigned char bit_mask,unsigned char reg_val)81 static inline int da9055_reg_update(struct da9055 *da9055, unsigned char reg,
82 unsigned char bit_mask,
83 unsigned char reg_val)
84 {
85 return regmap_update_bits(da9055->regmap, reg, bit_mask, reg_val);
86 }
87
88 /* Generic Device API */
89 int da9055_device_init(struct da9055 *da9055);
90 void da9055_device_exit(struct da9055 *da9055);
91
92 extern const struct regmap_config da9055_regmap_config;
93
94 #endif /* __DA9055_CORE_H */
95